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Transmitter Identification Signal Detection Algorithm for ATSC 3.0 Single Frequency Networks
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- Authors
- Jaekwon Lee, Sunhyoung Kwon, Sung-Ik Park, Dong Ku Kim
- Issue Date
- 2020-09
- Citation
- IEEE Transactions on Broadcasting, v.66, no.3, pp.737-743
- ISSN
- 0018-9316
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- To effectively operate and maintain an existing single frequency network (SFN), the advanced television systems committee (ATSC) 3.0 transmission system has utilized a transmitter identification (TxID) technique. The TxID technique aims is to obtain the channel impulse response (CIR) of each transmitter independently to support the adjustment of the relative power level and delay offset of individual transmitters. The professional receiver can detect such CIR, but a commercial ATSC 3.0 receiver does not need to be necessarily decoded the TxID signal. Also, according to the ATSC 3.0 standard, the TxID signal is embedded into the preamble signal with an appropriately low injection level (IL), such that the impact on the preamble reception is negligible. This paper proposes an efficient TxID signal detection algorithm to enhance the individual CIR detection performance during the TxID analyzing process. The simulation results indicate that the proposed TxID signal detection algorithm can offer better individual CIR detection performance as compared to the conventional TxID signal detection algorithms, even though the IL of TxID signal is low.
- KSP Keywords
- ATSC 3.0, Advanced television systems committee(ATSC), Detection algorithm, Injection level, Power Levels, Relative power, Transmission system, Transmitter Identification, channel impulse response(CIR), detection performance, preamble signal